The Big Book of Brain Games
Keep those grey cells limber with The Big Book of Brain Games: 1000 PlayThinks of Art, Mathematics & Science. The author, Ivan Moscovich, is the creator of our best-selling
Ivanís Hinge. Here he has pulled together both brain-baffling originals and maddeningly difficult adaptations of classic challenges, puzzles, riddles, and illusions in a huge range of categories.

It's Like Salted Peanuts for the Brain
With jampacked pages and a full-color illustration for each entry, the book, opened anywhere, is a call to action. (And it's guaranteed to make you smarter.) Twelve basic categories include geometry, patterns, numbers, logic and probability, and perception. An easy-to-read key at the top of each game ranks its difficulty on a scale of 1 to 10. Solutions are at the end of the book; what more could you want? Better get two, as you are going to want one for yourself!

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An obsessive collection of 1,000 challenges, puzzles, riddles, and illusions!